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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenue from Contract with Customer [Abstract] |
Schedule of Revenue Disaggregated by Revenue Sources | The following table presents the Company’s revenues disaggregated by revenue source for the years ended December 31, 2017, 2018 and 2019.
|  | Year Ended December 31, |
|  | 2017 |  |  | 2018 |  |  | 2019 |
Products |  | $ | 23,552 |  |  | $ | 36,897 |  |  | $ | 45,416 |
Services |  |  | 17,406 |  |  |  | 16,167 |  |  |  | 36,499 |
|  | $ | 40,958 |  |  | $ | 53,064 |  |  | $ | 81,915 |
Schedule of Deferred Revenue | The balances of contract assets, and contract liabilities from contracts with customers are as follows as of December 31, 2018 and 2019 are as follows:
|  | December 31, |
|  | 2018 |  |  | 2019 |
Assets: |  |  |  |  |  |  |  |
Deferred sales commissions to employees |  | $ | 585 |  |  | $ | 2,196 |
Deferred costs |  | $ | 9,069 |  |  | $ | 8,530 |
Liabilities: |  |  |  |  |  |  |  |
Contract liabilities (1) |  | $ | - |  |  | $ | 1,098 |
Deferred revenue -other (1) |  |  | 305 |  |  |  | 227 |
Deferred maintenance and SaaS revenue (1) |  |  | 4,607 |  |  |  | 5,072 |
Deferred logistics visibility solutions product revenue (1) |  |  | 12,176 |  |  |  | 10,932 |
|  |  | 17,088 |  |  |  | 17,329 |
Less: Deferred revenue and contract liabilities - Current portion |  |  | 7,902 |  |  |  | (8,536 | )
Deferred revenue and contract liabilities - less current portion |  | $ | 9,186 |  |  | $ | 8,793 |
(1) | The Company record deferred revenues when cash payments are received or due in advance of the Company’s performance. For the years ended December 31, 2018 and 2019, the Company recognized revenue of $11,813 and $12,082, respectively, that was included in the deferred revenue balance at the beginning of each reporting period. The Company expects to recognize as revenue before year 2024, when it transfers those goods and services and, therefore, satisfies its performance obligation to the customers.

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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